4, 3, 2, 1
# 4, 3, 2, 1

4, 3, 2, 1 or 4321 may refer to:

## Film

* 4.3.2.1., 2010 film by Noel Clarke
* ...4 ..3 ..2 ..1 ...Morte, a 1967 Italian science fiction film

## Music

* "4, 3, 2, 1" (k-os song), song by k-os
* "4, 3, 2, 1" (LL Cool J song), song by LL Cool J
* "4-3-2-1", song by Raffi Boghosyan

## Other uses

* 4 3 2 1 (novel), 2017 novel by Paul Auster
* 4–3–2–1, a common formation in association football
